SCIENCE: Virgin Galactic6 years ago

17:54

Jim Sweeney - New York Jets6 years ago

43:53

SCIENCE: Mars Helicopter6 years ago

14:16

Brandon Dermer - Film Director6 years ago

28:02

SCIENCE: New dinosaur discovered6 years ago

11:39

Niles Deneen - Deneen Pottery6 years ago

40:11

SCIENCE: An interstellar object6 years ago

16:59

Barbaranne Wylde - wife and co-manager of Zakk Wylde6 years ago

46:55

SCIENCE: Ask NASA6 years ago

18:21

Dave Ratzer - Sales6 years ago

44:49

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